<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			/* div {
				color: orange;
			}

			p {
				color: orange;
			} */

			div,
			p {
				color: orange;
			}
		</style>
	</head>
	<body>
		<div class="c">博为峰</div>
		<p class="c">学掌门</p>
		<span>编程</span>
	</body>
</html>
